116989180 has 48 divisors (see below), whose sum is σ = 306302976. Its totient is φ = 36463680.

The previous prime is 116989177. The next prime is 116989231. The reversal of 116989180 is 81989611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36444 + ... + 39523.

It is an arithmetic number, because the mean of its divisors is an integer number (6381312).

Almost surely, 2^116989180 is an apocalyptic number.

116989180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116989180 is an abundant number, since it is smaller than the sum of its proper divisors (189313796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116989180 is a wasteful number, since it uses less digits than its factorization.

116989180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75994 (or 75992 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 43.

The square root of 116989180 is about 10816.1536601511. The cubic root of 116989180 is about 489.0822471688.

The spelling of 116989180 in words is "one hundred sixteen million, nine hundred eighty-nine thousand, one hundred eighty".